Chill hours in Edgefield, South Carolina: the last 10 winters
Ten seasons of winter chill for Edgefield, South Carolina (33.7896, -81.9296), calculated from NASA POWER hourly temperatures across 2016–17 to 2025–26. Instead of comparing winters yourself or hunting for the nearest weather station, the three standard models for fruit trees and berries are already worked out below.
How the last season compared
The 2025–26 season came in at 922 chill hours, within a couple of percent of the ten-season average of 916. It was the fifth-lowest of the ten seasons recorded here. Chill portions, which discount warm spells differently, came to 69.6 against a ten-season average of 71.8.
Ten-season average, low, and high
| Model | Average | Lowest season | Highest season |
|---|---|---|---|
| 45°F Hours Hours between 0 and 7.2°C (32–45°F). | 916.0 hours | 695.0 | 1083.0 |
| Utah Weighted bands; warm hours subtract from the total. | 884.5 units | 607.5 | 1152.5 |
| Dynamic Fishman–Erez model; handles warm spells. | 71.8 portions | 60.4 | 84.1 |
45°F Hours and Utah are counted over 1 November – 28 February, following the UC Davis convention. Dynamic is counted over 1 September – 31 March.
Season by season
| Season | 45°F Hours | Utah units | Chill portions |
|---|---|---|---|
| 2016–17 | 695 | 682.5 | 60.4 |
| 2017–18 | 800 | 607.5 | 73.7 |
| 2018–19 | 960 | 1109.0 | 84.1 |
| 2019–20 | 1044 | 1152.5 | 73.8 |
| 2020–21 | 1083 | 1036.5 | 76.9 |
| 2021–22 | 978 | 870.5 | 67.0 |
| 2022–23 | 763 | 724.0 | 72.1 |
| 2023–24 | 1007 | 1070.0 | 71.2 |
| 2024–25 | 908 | 732.0 | 68.8 |
| 2025–26 | 922 | 860.0 | 69.6 |
Which fruit varieties suit Edgefield?
The 3 most chill-demanding varieties that still fit an average of 916 chill hours here.
| Variety | Species | Chill requirement |
|---|---|---|
| Honeycrisp | Apple | 800 hours |
| Cortland | Apple | 800 hours |
| Cox Orange Pippin | Apple | 800 hours |
Station data for South Carolina
NASA POWER is a grid estimate. For measured station data and local chill guidance, see Clemson Extension: understanding chill hours for fruit and nut trees.
Nearby locations
- Fort Valley, Georgia — 228 km
Track this season in ChillCast
ChillCast tracks this season's chill for Edgefield, South Carolina on your iPhone and compares it with the ten-season average above.
Generated
This page was generated on 2026-09-06.
About this data
Values are NASA POWER regional estimates (about 0.5° grid), not orchard measurements. Check your local extension service for station data.
Source: NASA POWER hourly 2-metre air temperature (MERRA-2). NASA does not endorse ChillCast.